SIM800L GPRS GSM Module

SIM800L GPRS GSM Module is a compact quad-band GSM/GPRS core board designed for low-power, low-cost wireless communication using a micro SIM card. It features TTL serial communication, enabling easy integration with microcontrollers such as Arduino, ESP8266, STM32, and others. This module is ideal for sending SMS, making calls, and accessing the internet over a GPRS connection.

Key Features of SIM800L GPRS GSM Module:

• Quad-Band GSM Support: Supports GSM/GPRS 850/900/1800/1900 MHz frequencies worldwide.
• TTL Serial Interface: Easy integration with 3.3V logic level microcontrollers.
• GPRS Connectivity: Supports Class 12 GPRS for basic internet communication and data exchange.
• Compact Size: Ideal for embedded applications where space is constrained.
• Voice and SMS Support: Enables two-way communication via voice or text.
• Micro SIM Slot: Accepts standard micro SIM cards for network access.

Technical Specifications of SIM800L GPRS GSM Module:

• Frequency Bands: GSM 850/900/1800/1900 MHz
• GPRS Multi-slot Class: Class 12
• SIM Card Type: Micro SIM
• Serial Interface: TTL (3.3V logic level)
• Power Supply: 3.7V – 4.4V DC
• Current Consumption: Idle: ~1mA, Transmission Peak: ~2A
• Operating Temperature: -40°C to +85°C

Mechanical Specifications of SIM800L GPRS GSM Module:

• Dimensions: Approx. 25mm x 23mm
• PCB Mounting: Through-hole or header pins
• Antenna: PCB onboard or external antenna support via IPX connector
• SIM Card Slot: Push-push type micro SIM holder

Wiring and Pinout of SIM800L Module:

• VCC: Connect to 4V regulated supply (not 5V or 3.3V directly)
• GND: Ground
• TXD: Module transmit line – connect to RX of MCU
• RXD: Module receive line – connect to TX of MCU via level shifter
• RST: Optional reset pin (active low)
• NET: Network LED indicator (optional for diagnostics)

Schematic Diagram, Connection, Wiring and Pinout of SIM800L GPRS Module:

• Connection: Use a regulated 4V power source and connect TX/RX through level shifter.
• Wiring: Ensure correct orientation of TX/RX pins and avoid overvoltage.
• Pinout: VCC, GND, TXD, RXD, RST, NET (typical layout)

Datasheet of SIM800L GPRS GSM Module:

• Download SIM800L Datasheet and Documentation

Applications of SIM800L GPRS GSM Module:

• Remote Monitoring: Transmit sensor data over GPRS network in IoT applications.
• SMS Alert Systems: Send text notifications for alarms and triggers.
• Home Automation: Control appliances remotely via SMS or calls.
• GPS Trackers: Communicate position data using cellular network.
• Voice Call Control: Initiate or receive voice calls via microcontroller commands.

Equivalent Models of SIM800L GPRS GSM Module:

• SIM900A: Alternative GSM module with similar features, but slightly larger form factor
• A6 Module: Low-cost GPRS alternative with micro SIM slot and UART interface
• Quectel M66: Compact and power-efficient quad-band GSM/GPRS module

Package Includes:

• 1 x SIM800L GPRS GSM Module Micro SIM Card Core Board